NHRA Horsepower Ratings for the 273

1965 Plymouth factory report.

Their 1965 Plymouth Barracuda, 273/235 HP Commando with factory Hurst 4-Speed shifter, low-restriction/high-flow exhaust muffler and 3.91 Gears (7 1/4" Rear).

15.56 @ 88 MPH.

Red-Line 6000 RPM's.